* [PATCH] workqueue: fix memory leak in wq_numa_init()
@ 2018-08-06 1:20 Yi Wang
[not found] ` <201808201205500126227@zte.com.cn>
0 siblings, 1 reply; 2+ messages in thread
From: Yi Wang @ 2018-08-06 1:20 UTC (permalink / raw)
To: tj; +Cc: jiangshanlai, linux-kernel, jiang.biao2, wang.yi59, zhong.weidong
The 'tbl' variable may leak when return in function
wq_numa_init(), and this patch fixes this.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn>
---
kernel/workqueue.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 78b1920..9321a05 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5649,6 +5649,7 @@ static void __init wq_numa_init(void)
node = cpu_to_node(cpu);
if (WARN_ON(node == NUMA_NO_NODE)) {
pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu);
+ kfree(tbl);
/* happens iff arch is bonkers, let's just proceed */
return;
}
--
1.8.3.1
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2018-08-06 1:20 [PATCH] workqueue: fix memory leak in wq_numa_init() Yi Wang
[not found] ` <201808201205500126227@zte.com.cn>
2018-08-20 16:00 ` Tejun Heo
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